Class: AwsDevUtils::Cache

Inherits:

Object

• Object
• AwsDevUtils::Cache

Extended by:

Forwardable

Includes:

Singleton

Defined in:

lib/aws-dev-utils/cache.rb

Instance Attribute Summary

• #backend ⇒ Object writeonly

  for testing.

Instance Method Summary

• #fetch(key, exp = 60, &block) ⇒ Object
• #get(key) ⇒ Object
• #set(key, value, expiration) ⇒ Object

Instance Attribute Details

#backend=(value) ⇒ Object

for testing

# File 'lib/aws-dev-utils/cache.rb', line 9

def backend=(value)
  @backend = value
end

Instance Method Details

#fetch(key, exp = 60, &block) ⇒ Object

# File 'lib/aws-dev-utils/cache.rb', line 16

def fetch key, exp=60, &block
  get(key) or block.().tap {|x| set(key, x, exp)}
end

#get(key) ⇒ Object

# File 'lib/aws-dev-utils/cache.rb', line 20

def get key
  deserialize backend.get key.to_s rescue nil
end

#set(key, value, expiration) ⇒ Object

# File 'lib/aws-dev-utils/cache.rb', line 24

def set key, value, expiration
  backend.set key.to_s, serialize(value), expiration rescue nil
end